Table 3 Results of the multivariate logistic regressions for development of musculoskeletal symptoms (adjusted for age, MS T0)

 ERI >1 vs ≤1

4.2*

1.14–15.50

0.031

1.5

0.40–5.58

0.547

4.3*

1.25–15.00

0.021

4.0*

1.20–13.49

0.024

 Physical stress high vs low

2.8

0.94–8.10

0.064

1.1

0.33–3.69

0.876

0.9

0.33–2.61

0.891

1.2

0.37–3.87

0.758

 Intervention yes vs. no

0.6

0.19–1.86

0.375

2.0

0.63–6.23

0.245

0.9

0.30–2.56

0.804

0.5

0.13–1.63

0.212

 OVC 3rd tertile vs 1st + 2nd tertile

.

.

.

0.4

0.09–1.40

0.138

.

.

.

.

.

.

 Control high vs low

.

.

.

4.5*

1.15–17.42

0.031

.

.

.

2.0

0.61–6.69

0.254

 Physical activity yes vs no

.

.

.

.

.

.

.

.

.

0.3*

0.10–0.98

0.046

 Conflicts with parents yes vs no

.

.

.

.

.

.

.

.

.

4.9*

1.55–15.75

0.007

 R²